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LG OLED65B7A

LG OLED65B7A
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P/NO : MFL69826603 (1706-REV01)
CHASSIS : EA71B
MODEL :
OLED55/65B7P OLED55/65B7P-U
MODEL :
OLED55/65B7A OLED55/65B7A-U
OLED TV
SERVICE MANUAL
CAUTION
BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
Any reproduction, duplication, distribution (including by way of email, facsimile or other electronic means),
publication, modification, copying or transmission of this Service Manual is STRICTLY PROHIBITED unless you
have obtained the prior written consent of the LG Electronics entity from which you received this Service Manual.
The material covered by this prohibition includes, without limitation, any text, graphics or logos in this Service
Manual.
Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.
CONFIDENTIAL
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LG OLED65B7A Specifications

General IconGeneral
Screen shapeFlat
Response time- ms
Display diagonal65 \
Display brightness- cd/m²
Display technologyOLED
Supported video modes2160p
Display diagonal (metric)164 cm
Supported graphics resolutions3840 x 2160
Motion interpolation technology-
3DNo
App storeLG Content Store
Composite video in1
HDMI ports quantity4
USB 2.0 ports quantity3
Consumer Electronics Control (CEC)SimpLink
Wi-Fi standardsWi-Fi 5 (802.11ac)
Operating system version3.5
Operating system installedWeb OS
Audio decodersDTS, DTS-HD
RMS rated power40 W
AC input frequency50 - 60 Hz
Power consumption (standby)0.5 W
Product colorWhite
Panel mounting interface300 x 200 mm
Package depth228.6 mm
Package width1678.94 mm
Package height949.96 mm
Package weight34518 g
Weight and Dimensions IconWeight and Dimensions
Depth (with stand)226 mm
Height (with stand)881.38 mm
Weight (with stand)26400 g
Depth (without stand)48.26 mm
Width (without stand)1450.34 mm
Height (without stand)830.58 mm
Weight (without stand)23087 g

Summary

Safety Precautions

General Guidance

Provides general safety guidelines for servicing, including isolation transformer use.

Leakage Current Checks

Details procedures for AC leakage current checks (Cold and Hot).

Servicing Precautions

General Servicing Practices

Outlines general safety measures and procedures for servicing electronic devices.

Handling Sensitive Components

Guidelines for safely handling electrostatically sensitive devices (ES Devices).

Soldering Techniques

Best practices and methods for soldering electronic components.

Component Replacement Procedures

Step-by-step guides for replacing components like ICs, transistors, diodes, and fuses.

Circuit Board Foil Repair

Techniques for repairing damaged copper patterns on circuit boards.

Specifications

Application Range & Test Conditions

Defines the scope, test environment, and power conditions for specifications.

General TV Specifications

Lists the overall technical specifications of the television, including inputs and outputs.

External Input Support Formats

Details supported resolutions and frequencies for external inputs like HDMI.

Software Update

USB Update Procedure

Instructions for updating TV software using a USB drive.

Network Update Procedure (NSU)

Steps for updating TV software via an internet connection.

Block Diagrams

System-on-Chip (SOC) Overview

Diagram illustrating the main SOC architecture and its connections.

Tuner and CI Module Connections

Block diagram showing the tuner and conditional access module interface.

Video and Audio InputOutput

Diagram detailing video and audio connectivity.

HDMI 2.0 Interface Details

Block diagram of the HDMI 2.0 ports and their connections.

USB, Wi-Fi, M-Remote, UART Interfaces

Diagram of USB, Wi-Fi, M-Remote, and UART ports.

I2 C Interface Map

Map illustrating I2C communication pathways.

Exploded View

Disassembly Guide

Rear Cover Removal

Instructions for removing the rear cover of the TV.

Stand and Bracket Removal

Steps to remove the TV stand and power cord bracket.

Back Cover Removal

Procedure for detaching the main back cover of the TV.

Troubleshooting Guide

Video Error Troubleshooting

Steps for diagnosing and resolving video display issues.

Power Error Troubleshooting

Steps for diagnosing and resolving power-related problems.

Audio Error Troubleshooting

Steps for diagnosing and resolving audio output issues.

Function Error Troubleshooting

Steps for diagnosing and resolving functional control issues.

Noise and Exterior Defect Troubleshooting

Steps for diagnosing noise and exterior physical defects.

Standard Repair Process Details

Video Error Specifics

Detailed technical steps for specific video error conditions.

Power Error Specifics

Detailed technical steps for specific power error conditions.

Audio Error Specifics

Detailed technical steps for specific audio error conditions.

Function Error Specifics

Detailed technical steps for specific function error conditions.

Appendix: Component Defect Types

Visual guide to common component defect types requiring replacement.

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